953     Use the command :hg:`update` to switch to an existing branch. Use

   953     Use the command :hg:`update` to switch to an existing branch. Use

   954     :hg:`commit --close-branch` to mark this branch as closed.

   954     :hg:`commit --close-branch` to mark this branch as closed.

   955 

   955 

   956     Returns 0 on success.

   956     Returns 0 on success.

   957     """

   957     """

   958     if not opts.get('clean') and not label:

   961     if not opts.get('clean') and not label:

   959         ui.write("%s\n" % repo.dirstate.branch())

   962         ui.write("%s\n" % repo.dirstate.branch())

   960         return

   963         return

   961 

   964 

   962     wlock = repo.wlock()

   965     wlock = repo.wlock()